The development of panoramic X-ray image processing has been carried out by several researchers recently to detect osteoporosis in the mandible by showing changes in trabecular structure and width of the mandibular cortex. This research proposed a method of images processing algorithm to produce the contour of the mandibular cortex to detect osteoporosis. The purpose of this study is to apply edge detection procedure to getting the upper border contour of the inferior mandibular cortex. The

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... meters used in this study are Canny, Polynomial Interpolation and Quantum Sobel. Our proposed method consists of several steps. The first step is the pre-processing stage, which is to crop a panoramic X-ray image of the mandible, to get rid of unnecessary parts of the image. The next step is the extraction of resorption features that indicate the occurrence of damage to the mandibular cortex. The results of this study can detect the contour of the inferior mandibular cortex to make it visible to the human eyes; hence it can be used to detect bone resorption as an indication of osteoporosis.